Level 1/Level 2 GCSE (9‑1) Physics

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Pearson Edexcel

Level 1/Level 2 GCSE (91)

Physics

Paper 1

Candidate Number

Wednesday 23 May 2018 ? Afternoon Time: 1 hour 45 minutes

Foundation Tier

Paper Reference

1PH0/1F

You must have: Calculator, ruler

Total Marks

Instructions

Use black ink or ballpoint pen.

?? Fill in the boxes at the top of this page with your name, centre number and candidate number. Answer all questions.

?? Answer the questions in the spaces provided ? there may be more space than you need. Calculators may be used.

? Any diagrams may NOT be accurately drawn, unless otherwise indicated. ?? You must show all your working out with your answer clearly identified at

the end of your solution.

Information

The total mark for this paper is 100.

?? The marks for each question are shown in brackets ? ? use this as a guide as to how much time to spend on each question.

In questions marked with an asterisk (*), marks will be awarded for your ability to structure your answer logically showing how the points that you

? make are related or follow on from each other where appropriate. A list of equations is included at the end of this exam paper.

Advice

Read each question carefully before you start to answer it.

? Try to answer every question. ?? Check your answers if you have time at the end.

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?2018 Pearson Education Ltd.

1/1/1/1/1/C2/1

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Answer ALL questions. Write your answers in the spaces provided. Some questions must be answered with a cross in a box .

If you change your mind about an answer, put a line through the box and then mark your new answer with a cross .

1 (a) Which of these speeds would be normal for a person walking? (1)

A 0.1m/s B 1.0m/s C 10m/s D 100m/s

(b) Figure 1 shows a block hanging from a spring balance.

spring balance showing 3.8N

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Figure 1 Use a word from the box to complete the sentence below.

densitymassvolumeweight

The quantity measured by the spring balance in Figure 1 is (1)

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(c) A toy car has a mass of 0.10kg. The toy car accelerates at 2.0m/s2.

Calculate the force producing this acceleration. State the unit.

Use the equation

F = m ? a (3)

force = unit = ..............................................................

................................

(d) Use words from the box to complete the sentences below.

directionenergymasssize

(2)

Vectors have size and . .............................................................. Scalars have only . ..............................................................

(Total for Question 1 = 7 marks)

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3

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2 (a) A sound wave in air travels a distance of 220m in a time of 0.70s. (i) State the equation linking speed, distance and time.

(1)

(ii) Calculate the speed of the sound wave in air. (2)

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wave speed = m/s .............................................................. (b) Figure 2 shows water waves spreading out from a source. A student measures the wavelength of the waves. He uses a ruler to measure the distance from one crest to the next crest.

crests ruler

0

Figure 2 Explain how to improve the student's method for measuring the wavelength.

(2)

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(c) Sound waves are longitudinal waves. Water waves are transverse waves. Describe the difference between longitudinal waves and transverse waves.

(3)

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(Total for Question 2 = 8 marks)

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3 (a) A copper can, painted black, contains boiling water at 100 ?C. The can is left to cool and a measurement of the water temperature is taken every 5 minutes. Figure 3 shows the measurements.

time in minutes 0 5 10 15 20 25 30

temperature in ?C 100 74 60 56 37 30 25

Figure 3

(i) Two points, shaded in the table, have not been plotted. Plot these two points on the graph, in Figure 4.

(2) 120

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100

80

temperature ?C 60

40

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20

0

0

5

10

15

20

25

time in minutes

Figure 4

(ii) One of the points on the graph in Figure 4 is anomalous. Circle the anomalous point.

(iii) Draw the best fit curve on the graph in Figure 4.

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30

35

(1) (1)

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(iv) An identical can contains the same amount of boiling water.

This can has a shiny silver surface.

The measurements are repeated with this can and a new curve is drawn.

State how the cooling curve would be different from the curve in the graph in Figure 4. (1)

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(b) Figure 5 is a graph showing the intensity?wavelength curves for two hot objects, L and M.

L

M

intensity

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75 80 85 90 95 100 105 wavelength in m Figure 5

(i) Estimate the wavelength where the intensity is at a maximum for each of the objects. (2)

wavelength at maximum intensity for object L = .............................................................. ?m wavelength at maximum intensity for object M = .............................................................. ?m (ii) State, with a reason, which object is the hotter object.

(1) Object. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reason. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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(Total for Question 3 = 8 marks)

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4 (a) Figure 6 shows a spinning flywheel. flywheel

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Figure 6 (i) State how energy is stored in a spinning flywheel.

(1)

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(ii) State one way to increase the amount of energy stored in the flywheel. (1)

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